Author Question: _____ seconds is required for oxygen (O2) concentration to equilibrate (equalize) across the ... (Read 34 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
_____ seconds is required for oxygen (O2) concentration to equilibrate (equalize) across the alve-olocapillary membrane.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

Which structures may be found in the walls of the respiratory bronchi? (select all that apply)
 
  a. Smooth muscle
  b. Surfactant-producing glands
  c. Goblet cells
  d. Ciliated cells
  e. Epithelial lining



6ana001

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

ANS: 0.25

Answer to Question 2

ANS: A, C, D, E
The bronchial walls have three layers: an epithelial lining, a smooth muscle layer, and a connec-tive tissue layer. The epithelial lining of the bronchi contains single-celled exocrine glandsthe mucus-secreting goblet cellsand ciliated cells. Surfactant-producing glands are found in the alveoli.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

For a complete list of videos, visit our video library